package com.atguigu.gulimall.product.exception;

import com.atguigu.common.exception.BizCodeEnum;
import com.atguigu.common.utils.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.util.HashMap;
import java.util.Map;

/***
 * @description <TODO description class purpose>
 * @author 41746
 * @created 2023/11/14 17:42
 **/
@RestControllerAdvice(basePackages = "com.atguigu.gulimall.product.controller")
@Slf4j
public class GulimallExceptionHandler {

    @ExceptionHandler(value = MethodArgumentNotValidException.class)
    @ResponseBody
    public R handleValidException(MethodArgumentNotValidException e) {
        log.error("数据校验出现问题:{},异常类型:{}", e.getMessage(), e.getClass());
        BindingResult bindingResult = e.getBindingResult();
        Map<String, String> errorMap = new HashMap<>();
        bindingResult.getFieldErrors().forEach(p -> {
            errorMap.put(p.getField(), p.getDefaultMessage());
        });
        return R.error(BizCodeEnum.VAILD_EXCEPTION.getCode(), BizCodeEnum.VAILD_EXCEPTION.getMessage()).put("data", errorMap);
    }

    @ExceptionHandler(value = Throwable.class)
    @ResponseBody
    public R handleValidException(Throwable throwable) {
        log.error("系统未知异常:",throwable);
        return R.error(BizCodeEnum.UNKNOW_EXCEPTION.getCode(), BizCodeEnum.UNKNOW_EXCEPTION.getMessage());
    }
}
